- 27 Sep, 2006 40 commits
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Steven Haigh authored
This patch adds support for Ontrak ADU USB devices. Fixed for printk issues by Randy Dunlap <rdunlap@xenotime.net> Signed-off-by:
Steven Haigh <netwiz@crc.id.au> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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Randy Dunlap authored
Fix printk format warnings: drivers/usb/serial/aircable.c:221: warning: format ‘%Zd’ expects type ‘signed size_t’, but argument 4 has type ‘int’ drivers/usb/serial/aircable.c:283: warning: format ‘%Zd’ expects type ‘signed size_t’, but argument 4 has type ‘int’ Signed-off-by:
Randy Dunlap <rdunlap@xenotime.net> Signed-off-by:
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Manuel Francisco Naranjo authored
Add driver for AIRcable USB Bluetooth dongle. Signed-off-by:
Naranjo, Manuel Francisco <naranjo.manuel@gmail.com> Signed-off-by:
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Mike Isely authored
When receiving a fatal error from the USB core, e.g. EILSEQ (which can happen if the polling interval is too short), fail gracefully. Previously the driver would fill the log with useless error messages or (more alarmingly) silently spin forever trying to write updated control information to the device. This change implements a new flag which if cleared indicates that the driver has failed. The flag will be set on initialization, cleared on fatal errors, and anything else that touches the USB port in the driver will abort if the flag is clear. When the flag is cleared, a message will be logged indicating that the driver has failed. Signed-off-by:
Mike Isely <isely@pobox.com> Signed-off-by:
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Mike Isely authored
Fix usb core function error return checks to look for negative errno values, not positive errno values. This bug had rendered those checks useless. Also remove attempted error recovery on control endpoints for EPIPE - with control endpoints EPIPE does not indicate a halted endpoint so trying to recover with usb_clear_halt() is not the correct action. Signed-off-by:
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Mike Isely authored
Rather than directly filling in URB fields, it's safer to use usb_fill_int_urb(). This improves robustness of the driver; URB changes in the future will not go uninitialized here. That point not withstanding, this driver should at least be self-consistent. Either use usb_fill_int_urb() everywhere or don't bother with it all. Signed-off-by:
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Mike Isely authored
The polling interval for the device can't always be 1msec. If it is too quick, the device can fail causing a fatal (to the driver) EILSEQ error from the USB core. The actual correct value is reported by the device as part of its configuration data, so use that value as the default. On a DeLorme Earthmate for example, the device reports that it wants a 6msec interval. As part of this fix, the "interval" module option has been fixed as well; the device's default can be overridden by specifying interval=<value> as a module option. Signed-off-by:
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Greg Kroah-Hartman authored
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Greg Kroah-Hartman authored
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Greg Kroah-Hartman authored
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Greg Kroah-Hartman authored
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Greg Kroah-Hartman authored
Signed-off-by: -
Greg Kroah-Hartman authored
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Greg Kroah-Hartman authored
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Alan Stern authored
This patch (as786) removes a redundant test and fixes a problem involving repeated system sleeps when CONFIG_USB_SUSPEND is not set. During the first wakeup, the root hub's dev.power.power_state.event field doesn't get updated, causing it not to be suspended during the second sleep transition. This takes care of the issue raised by Rafael J. Wysocki and Mattia Dongili. Signed-off-by:
Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
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Alan Stern authored
This patch (as740) removes the existing support for autosuspend of root hubs. That support fit in rather awkwardly with the rest of usbcore and it was used only by ohci-hcd. It won't be needed any more since the hub driver will take care of autosuspending all hubs, root or external. Signed-off-by:
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Alan Stern authored
This patch (as741) makes the non-hub parts of usbcore actually use the autosuspend facilities added by an earlier patch. Devices opened through usbfs are autoresumed and then autosuspended upon close. Likewise for usb-skeleton. Devices are autoresumed for usb_set_configuration. Signed-off-by:
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Alan Stern authored
This patch (as739) adds the basic infrastructure for USB autosuspend and autoresume. The main features are: PM usage counters added to struct usb_device and struct usb_interface, indicating whether it's okay to autosuspend them or they are currently in use. Flag added to usb_device indicating whether the current suspend/resume operation originated from outside or as an autosuspend/autoresume. Flag added to usb_driver indicating whether the driver supports autosuspend. If not, no device bound to the driver will be autosuspended. Mutex added to usb_device for protecting PM operations. Unlike the device semaphore, the locking rule for the pm_mutex is that you must acquire the locks going _up_ the device tree. New routines handling autosuspend/autoresume requests for interfaces and devices. Suspend and resume requests are propagated up the device tree (but not outside the USB subsystem). work_struct added to usb_device, for carrying out delayed autosuspend requests. Autoresume added (and autosuspend prevented) during probe and disconnect. Signed-off-by:
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Alan Stern authored
This patch (as778) adds a field to struct usb_device to store the device's level in the USB tree. In itself this number isn't really important. But the overhead is very low, and in a later patch it will be used for preventing bogus warnings from the lockdep checker. Signed-off-by:
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Pete Zaitcev authored
The command "cdrecord dev=/dev/uba x.iso" prints nasty garbage if a blank is not in the drive. This happens because drivers have to set req->errors separately from just returning zero uptodate with end_that_request_first, end_that_request_last. These functions only set error in BIO, but sg_io() ignores it. Since we're on it, let cdrecord access a device when ->changed is set. It's useful if someone wants to know device capabilities without burning anything. Signed-Off-By:
Pete Zaitcev <zaitcev@redhat.com> Signed-off-by:
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Reiner Herrmann authored
Replace spaces with tab and change comment indention for better readability. Signed-off-by:
Reiner Herrmann <reiner@reiner-h.de> Signed-off-by:
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David Brownell authored
This includes two one-liners forwarded to me for the OHCI support on at91: - KB920x (and other boards with CPUs in non-BGA packages) need a slightly different way to say "ignore that port, it's not pinned out"; - On resume, if we turn clocks on, record that we did so. Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
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David Brownell authored
This updates the code handling dma-coherent buffer allocations, basically reusing code from the musb_hdrc driver. Instead of trying to work around two significant limitations of the dma framework (memory wastage for buffers smaller than a page, and inconsistency between calling context requirements for allocation and free) this just works around one of them (the latter). So count this as two steps forward (bugfixes: the latter issue could cause errors on some platforms, and some MIPS changes broke code for the former), and one step back (increasing cross-platform memory wastage). Plus linelength and whitespace fixes; and minor data segment shrinkage. Signed-off-by:
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Eugeny S. Mints authored
Adjust dev->dev_lock spinlock lock/unlock calls to be safe for SMP case. Otherwise the following sequence may lead to a deadlock in SMP case: gs_send()->usb_ep_queue() ->(in case a request is satisfied immediatly) gs_write_complete() for ex for pxa2xx_udc.c: usb_ep_queue()->pxa2xx_ep_queue()->write_fifo()->done()->gs_write_complete() (through req.complete pointer) Signed-off-by:
Eugeny S. Mints <emints@ru.mvista.com> Acked-by:
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Matthew Dharm authored
Replaced kernel_thread() with kthread_run() since kernel_thread() is deprecated in drivers/modules. Signed-off-by:
Cedric Le Goater <clg@fr.ibm.com> Cc: Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
Matthew Dharm <mdharm-usb@one-eyed-alien.net> Signed-off-by:
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Skip Hansen authored
For ep0out transfers (rare), be sure to copy the right data to userspace. Signed-off-by:
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David Brownell authored
[ ... when you have an editor set to remind you of whitespace bugs ... ] Cosmetic EHCI changes: remove end-of-line whitespace, spaces before tabs. Signed-off-by:
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David Brownell authored
For systems using the Mentor HDRC controllers we get better TX DMA throughput if we can avoid falling back to PIO to write zero length packets ... so tell the driver to avoid ZLPs. Signed-off-by:
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Alan Stern authored
This patch (as755b) fixes a bug in usbmon. Rather than assuming all USB host controllers use DMA, the code will check the usb_bus data structure. If DMA isn't used, we don't want to try peeking into a non-existent DMA buffer! Signed-off-by:
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Alan Stern authored
As part of the ongoing program to flatten out the HCD bus-glue layer, this patch (as771b) eliminates the hcpriv, release, and kref fields from struct usb_bus. hcpriv and release were not being used for anything worthwhile, and kref has been moved into the enclosing usb_hcd structure. Along with those changes, the patch gets rid of usb_bus_get and usb_bus_put, replacing them with usb_get_hcd and usb_put_hcd. The one interesting aspect is that the dev_set_drvdata call was removed from usb_put_hcd, where it clearly doesn't belong. This means the driver private data won't get reset to NULL. It shouldn't cause any problems, since the private data is undefined when no driver is bound. Signed-off-by:
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Alan Stern authored
This patch (as770b) introduces a new field to usb_bus: a flag indicating whether or not the host controller uses DMA. This serves to encapsulate the computation. It also means we will have only one spot to update if the DMA API changes. Signed-off-by:
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Alan Stern authored
All of the currently-supported USB host controller drivers use the HCD bus-glue framework. As part of the program for flattening out the glue layer, this patch (as769) removes the usb_operations structure. All function calls now go directly to the HCD routines (slightly renamed to remain within the "usb_" namespace). The patch also removes usb_alloc_bus(), because it's not useful in the HCD framework and it wasn't referenced anywhere. Signed-off-by:
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Andrew Morton authored
Fix CONFIG_PM=n build. Cc: Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
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Alexey Dobriyan authored
drivers/usb/core/hub.c: In function `hub_events': drivers/usb/core/hub.c:2591: warning: statement with no effect Signed-off-by:
Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by:
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Alan Stern authored
It's generally a bad idea for USB interface drivers to try to change a device's configuration, and usbcore doesn't provide any way for them to do it. However in a few exceptional circumstances it can make sense. This patch (as767) adds a roundabout mechanism to help drivers that may need it. Signed-off-by:
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Alan Stern authored
The UFI specification doesn't permit devices to indicate non-existent LUNs in the manner prescribed by the SCSI spec. This patch (as773) sets a special flag so that the SCSI scanner will recognize these devices and treat them specially. Signed-off-by:
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Jules Villard authored
This tiny patch fixes a typo in drivers/usb/gadget/Kconfig. The typo is present in 2.6.18-rc4 and in the corresponding -mm tree (and AFAIK, FYI and FWIW was present in previous kernel versions as well). From: Jules Villard <jvillard@ens-lyon.fr> Signed-off-by: -
Eric Sesterhenn authored
another gcc 4.1 signdness warning: drivers/usb/gadget/ether.c:2028: warning: comparison of unsigned expression < 0 is always false length is assigned the value of usb_ep_queue() which returns an int. Directly after this it is checked for < 0, which can never be true. Making length an int makes the error check work again. Signed-off-by:
Eric Sesterhenn <snakebyte@gmx.de> Acked-by:
David Brownell <david-b@pacbell.net> Signed-off-by:
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Luiz Fernando N. Capitulino authored
This patch marks some USB core's functions parameters as const. This improves the design (we're saying to the caller that its parameter is not going to be modified) and may help in compiler's optimisation work. Signed-off-by:
Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br> Signed-off-by:
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Inaky Perez-Gonzalez authored
New code being pushed to linuxuwb.org requires this patch to connect WUSB devices. Signed-off-by:
Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> Signed-off-by:
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